CN114981508A - Connecting structure of partition wall and floor slab and construction method thereof - Google Patents
Connecting structure of partition wall and floor slab and construction method thereof Download PDFInfo
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- CN114981508A CN114981508A CN202080092325.0A CN202080092325A CN114981508A CN 114981508 A CN114981508 A CN 114981508A CN 202080092325 A CN202080092325 A CN 202080092325A CN 114981508 A CN114981508 A CN 114981508A
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- wall
- vertical hole
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- 239000010959 steel Substances 0.000 description 22
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Building Environments (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Floor Finish (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Provided are a connecting structure of a partition wall and a floor slab, which does not cause damage to the connecting structure even if deformation of a chute is caused when a pushing force is applied to the chute from a column, and which can mount a wall material facing a vertical hole area to the column with high accuracy, and a construction method thereof. In the connection structure 100, a first partition wall 30 and a second partition wall 40 for partitioning a vertical hole region 10 and an upper room 13 and a lower room 15 adjacent to the vertical hole region 10 and located above and below a floor slab 20 are connected to the floor slab 20, a lower chute 31 for accommodating a lower end of a first column 32 is provided above the floor slab 20, an upper chute 33 for accommodating an upper end of a second column 34 for forming the second partition wall 40 is provided below the floor slab 20, and a first wall material 50 extending from the first column 32 to the second column 34 in the vertical hole region 10 is fixed to the first column 32 via a first pad 80A and fixed to the second column 34 via a second pad 80B.
Description
Technical Field
The present disclosure relates to a connection structure of a partition wall and a floor slab (floor slab) and a construction method thereof.
Background
The building standards act specifies the fire-proof performance of a wall constituting a building, and the structure and constituent materials of the wall need to comply with the interior restrictions and fire-proof performance specified in the building standards act. For example, in the "building standards act", the structure of a whole building, which is a fire-resistant building or a semi-fire-resistant building, is defined according to the use, scale, and designated region of the building, and fire-resistant performance with respect to interior materials, inner wall structures, fitting structures, pipe penetration portions, and the like is also defined from the viewpoint of the use, scale, prevention of fire spread, evacuation, smoke discharge, fire extinguishment, and the like of the building. According to the current building standards act, incombustibility of interior materials of buildings can be classified into predetermined incombustibility grades (incombustible materials, semi-incombustible materials, and nonflammable materials). Furthermore, the fire-proof performance of the walls of buildings is also classified into predetermined structural categories (fire-proof structure, semi-fire-proof structure, etc.).
On the other hand, from the viewpoint of weight reduction of buildings, fire-resistant partitions constructed by a dry method in which fire-resistant plates such as gypsum boards and calcium silicate boards are attached to both surfaces of lightweight steel columns (studs) are used as partitions between the vertical hole regions and the adjacent spaces. The shaft area comprises an elevator shaft, a stairway or the like, and adjacent spaces adjacent thereto comprise elevator lobbies, walkways, living rooms or the like.
In addition, when construction is performed in which a connection structure of upper and lower floors of a floor slab made of reinforced concrete or the like, in which a vertical hole area is partitioned by a partition wall and which is adjacent to the vertical hole area, is disposed above and below the floor slab, construction errors often occur in the floor slab constructed on site. For this reason, it is difficult to provide a runner (runner) flush with the vertical hole area side end surface of the floor slab so as to embed (fit) a stud (therefore, the stud is also flush with the vertical hole area side end surface of the floor slab), and it is also difficult to perform construction of a wall material facing (facing) the vertical hole area on the stud. Therefore, a method is adopted in which the upper and lower slideways are provided on the floor slab with the upper and lower slideways extending from the vertical hole area side end surface of the floor slab to the vertical hole area side, the columns are embedded in the upper and lower slideways, and then the wall material facing the vertical hole area is constructed for the upper and lower columns.
Here, a more detailed description is made with reference to fig. 1. Fig. 1 is a vertical cross-sectional view of an example of a conventional connecting structure between a partition and a floor slab, which separates a vertical hole area and upper and lower rooms located above and below the floor slab adjacent to the vertical hole area.
In fig. 1, a floor slab 20 made of reinforced concrete is installed on the left side of the vertical hole area 10, and the floor slab 20 is supported by floor beams 25 made of a steel material such as H-beam. The upper first partition wall 30 and the lower second partition wall 40 for partitioning the upper and lower rooms 13 and 15 and the vertical hole area 10 above and below the floor slab 20 are connected to the floor slab 20 and the floor slab beams 25, respectively, whereby the connection structure 90 of the partition wall and the floor slab can be formed.
The floor slab 20 made of reinforced concrete has irregularities on the end surface 21 at the vertical hole region due to construction errors. The irregularities exist not only along the longitudinal direction shown in fig. 1 but also in the depth direction of the paper surface of fig. 1. Therefore, the lower chute 31 formed of the steel material for construction for constituting the upper first partition wall 30 is disposed on the upper surface of the floor slab 20 in a state of extending from the vertical hole region side end face 21 to the vertical hole region side by a width t1, and is fixed to the floor slab 20 by fixing members 70 such as screws and bolts.
On the other hand, the chute receiving members 37A and 37B are fixed to the upper and lower flanges (flanges) 25a of the floor beam 25 by welding or the like on the side closer to the vertical hole region than the web (web) 25B. The upper and lower floor beam inner rails 35 formed of an architectural steel base material are fixed to the rail receiving members 37A, 37B by fixing members 70 such as screws or tapping screws in a posture in which both openings face each other. Further, a floor beam inner column 36 is disposed inside the floor beam inner chute 35. These upper and lower floor beam inner runners 35 are also attached to the runner receiving members 37A, 37B in a state of projecting from the vertical hole region side end face 21 of the floor slab 20 toward the vertical hole region side by the width t 1.
Further, a chute receiving member 37C is fixed to the lower surface of the flange 25a below the floor beam 25 by welding or the like. Further, an upper runner 33 made of an architectural steel base material for constituting the lower second partition wall 40 is disposed on the runner receiving member 37C in a state of protruding from the vertical hole region side end face 21 to the vertical hole region side by a width t1, and is attached to the runner receiving member 37C by a fixing member 70 such as a screw or a tapping screw.
In the first partition wall 30, a plurality of (plural) first vertical posts 32 are embedded at intervals in the width direction of the wall (the depth direction in fig. 1) between an upper chute (not shown) and a lower chute 31, and a second wall material 60A is attached to the indoor side of each first vertical post 32. On the other hand, in the second partition wall 40, a plurality of second vertical posts 34 are embedded at intervals in the width direction of the wall (the depth direction in fig. 1) between the lower glide slope (not shown) and the upper glide slope 33, and a third wall material 60B is attached to the indoor side of each second vertical post 34.
Further, a first wall material 50 extending from the first stud 32 to the second stud 34 across and facing the vertical hole region 10 is attached to the end surfaces on the vertical hole region side of the first stud 32, the second stud 34, and the floor beam inner stud 36.
Any of the first wall material 50, the second wall material 60A, and the third wall material 60B has a laminated structure in which, for example, the spacer materials 51, 61, and 64 and the finishing materials 52, 62, and 65 are laminated in the wall thickness direction, and is fixed to the first column 32, the second column 34, and the floor beam inner column 36 by fixing members 70 such as screws and tapping screws. Here, the spacer materials 51, 61, 64 and the finishing materials 52, 62, 65 may be formed of gypsum board, or one of the spacer materials 51, 61, 64 and the finishing materials 52, 62, 65 may be formed of gypsum board and the other may be formed of calcium silicate board or the like.
The second wall material 60A for forming the upper room, the first stud 32, the lower runner 31 and the upper runner (not shown), and the first wall material 50 constitute the first partition wall 30. On the other hand, the third wall material 60B for forming the lower room, the second stud 34, the upper and lower runners 33 and (not shown), and the first wall material 50 constitute the second partition wall 40. Thereafter, by applying a fire-resistant coating 28 around the floor beams 25 by spraying or the like, the connection structure 90 of the partition wall and the floor having fire resistance can be formed.
As shown in fig. 2, it was verified that a large horizontal force H acts on the first and second partition walls 30 and 40, for example, in a large-scale earthquake. The lower runner 31, the upper runner 33, and the floor beam inner runner 35 extend from the vertical hole region side end face 21 of the floor slab 20 to the vertical hole region side by a width t 1. Therefore, when the horizontal force H acts on the first partition wall 30 or the like, a moment directed in the out-of-plane direction is generated in the first partition wall 30 or the like by the horizontal force H. Accordingly, the pressing force P caused by the moment in the out-of-plane direction from the first column 32, the second column 34, and the floor beam inner column 36 acts on the inner corners on the extension side of the lower chute 31, the upper chute 33, and the floor beam inner chute 35 formed of the building steel base material. Thus, at least a part of the first column 32, the second column 34, and the floor beam inner column 36 is further moved (displaced) toward the vertical hole region side so as to exceed the width t1 by the pressing force P, and at least a part of the extended positions of the lower chute 31, the upper chute 33, and the floor beam inner chute 35 is bent and deformed downward and upward (deformation δ). As a result, at least a part of the first column 32, the second column 34, and the floor beam inner column 36 is separated from the lower chute 31, the upper chute 33, and the floor beam inner chute 35, and at least a part of the connecting structure 90 is damaged. Further, in consideration of workability, the upper end of the second pillar 34 may be fitted into the upper chute 33 with a clearance (clearance). In this respect, the same applies to the case where the upper end of the first column 32 is fitted into the upper chute, not shown, and the case where the upper end of the inner column 36 is fitted into the upper inner chute 35. Therefore, the upper ends of the first column 32, the second column 34, and the floor slab inner column 36 are easily separated from the upper run, the upper run 33, and the floor slab inner run 35, which are not shown, and thus, when a large horizontal force H is applied as described above, the first column 32, the second column 34, and the floor slab inner column 36 are separated from the upper run, the upper run 33, and the floor slab inner run 35, which are not shown, and the connecting structure 90 is damaged.
As described above, in the case where the connection structure 90 is formed so that the floor slab 20 can be connected to the floor slab 20 with construction errors allowed by protruding a part of the lower chute 31, the upper chute 33, and the like from the vertical hole region side end face 21 of the floor slab 20, and the upper first partition wall 30 and the lower second partition wall 40 can be connected to the floor slab 20, there is a possibility that the connection structure 90 may be damaged when a major earthquake or the like occurs.
It should be noted here that there has been proposed a fire-resistant partition wall provided with a fire-resistant bonding material which can prevent deterioration of local fire resistance occurring at the intersection of the transverse joint of the surface material of the base material and the longitudinal joint of the interior trim panel, thereby improving the fire resistance of the partition wall. Specifically, the fire-resistant bonding material is inserted into a longitudinal joint of a fire-resistant partition extending between upper and lower horizontal fire-resistant regions, and the partition is composed of a vertical shaft member extending between the horizontal fire-resistant regions, a base material surface material oriented in a transverse direction, and an interior decoration panel formed on the base material surface material. The refractory bonding material comprises: an insertion part which can be inserted between the edge part of the indoor decorative plate and the surface material of the base material; and a seam bottom portion that can cover (conceal) a seam bottom of a longitudinal seam of the interior trim panel, wherein the fire-resistant joining material is arranged at least in the longitudinal seam at an intersection of the transverse seam and the longitudinal seam, and can cover the seam bottom of the longitudinal seam (see, for example, patent document 1).
[ citation documents ]
[ patent documents ]
[ patent document 1] (Japanese) laid-open patent application publication No. 2002-309691
Disclosure of Invention
[ problem to be solved ]
According to the fire-resistant partition wall described in patent document 1, when a fire breaks out in one room, the temperature of the entire back surface of the partition wall can be raised relatively evenly, and a local high-temperature region does not occur, so that a preferable fire resistance performance can be exhibited. However, even if the fire-resistant partition wall described in patent document 1 is used, it is not possible to eliminate the above-described problem described with reference to fig. 2, that is, the problem of connecting the wall material facing the vertical hole region to the upper and lower columns with high accuracy so as to allow construction errors of the floor slab and avoid damage to the connection structure caused by deformation of the runners provided above and below the floor slab.
The present disclosure provides a connection structure of a partition wall and a floor slab and a construction method thereof, according to which, even when a pushing force is applied to a chute from a column in the event of a major earthquake or the like, the connection structure is not damaged by the deformation of the chute, and it is also possible to mount a wall material facing a vertical hole area on the column with high accuracy.
[ solution ]
In accordance with one aspect of the present disclosure, there is provided a connection structure of a partition wall and a floor slab, wherein,
a first partition wall and a second partition wall for connecting to the floor slab, the first partition wall and the second partition wall being located above and below the vertical hole region and separating upper and lower rooms on and below the floor slab,
a lower slideway capable of accommodating the lower end of a first upright post for forming the first partition wall is arranged above the floor slab,
an upper slideway capable of containing the upper end of a second upright post for forming the second partition wall is arranged below the floor slab,
in the vertical hole area, a first wall material spanning from the first upright to the second upright is fixed to the first upright via a first backing plate and fixed to the second upright via a second backing plate,
the second wall material, the first stud, the glidepath, and the first wall material for forming the upper room form the first partition,
the third wall material, the second stud, the upper run, and the first wall material used to form the lower room form the second partition.
Further, according to an aspect of the present disclosure, there is provided a construction method of a connection structure of a partition wall and a floor slab, wherein,
in the connecting structure of the partition wall and the floor slab, a first partition wall above and a second partition wall below for separating a vertical hole area and an upper room and a lower room which are adjacent to the vertical hole area and located above and below the floor slab are connected to the floor slab,
the construction method comprises a slideway setting step, an upright column embedding step and a partition wall forming step,
in the step of arranging the slide way, the slide way is arranged,
a lower slideway capable of accommodating the lower end of a first upright post for forming the first partition wall is arranged above the floor slab, an upper slideway capable of accommodating the upper end of a second upright post for forming the second partition wall is arranged below the floor slab,
in the step of embedding the upright posts, the upright posts are embedded in the base material,
after the lower end of the first upright post is accommodated and embedded into the lower slideway (built-in), a first base plate is arranged at the side of the vertical hole area of the first upright post, after the upper end of the second upright post is accommodated and embedded into the upper slideway, a second base plate is arranged at the side of the vertical hole area of the second upright post,
in the step of forming the partition walls, the partition walls are formed,
securing a first wall material, disposed across from the first stud to the second stud within the region of the stud hole, to the first stud across the first backing plate and to the second stud across the second backing plate,
fixing a second wall material for forming the upper room to the first stud, and forming the first partition wall from the second wall material, the first stud, the glidepath, and the first wall material,
a third wall material for forming the lower floor room is secured to the second stud and the second partition is formed from the third wall material, the second stud, the upper run, and the first wall material.
[ advantageous effects ]
According to the present disclosure, it is possible to provide a connection structure of a partition wall and a floor slab, whereby, even when a pushing force acts on a slide from a column in the event of a major earthquake or the like, the connection structure is not damaged by deformation of the slide, and it is possible to mount a wall material facing a vertical hole region on the column with high accuracy.
Drawings
Fig. 1 is a vertical cross-sectional view of an example of a conventional connection structure between a partition wall and a floor slab, which separates a vertical hole region and an upper room and a lower room located above and below the floor slab adjacent to the vertical hole region.
Fig. 2 is a vertical cross-sectional view for explaining an example of damage caused by a horizontal force acting on a partition wall during an earthquake in a conventional connection structure between the partition wall and a floor.
FIG. 3 is a longitudinal sectional view showing an example of a connection structure between a partition wall and a floor slab according to the embodiment.
Fig. 4 is a step diagram for explaining an example of a construction method of the connection structure of the partition wall and the floor slab according to the embodiment.
Next, fig. 4 shows a procedure diagram for explaining an example of a construction method of the connection structure between the partition wall and the floor slab according to the embodiment.
Detailed Description
The following describes a connection structure between a partition wall and a floor slab and a construction method thereof according to an embodiment with reference to the drawings. In the present specification and the drawings, the same reference numerals are given to substantially the same components, and overlapping descriptions are omitted.
[ connection Structure of partition wall and floor slab in embodiment ]
First, an example of a connection structure between a partition wall and a floor slab according to the embodiment will be described with reference to fig. 3. Here, fig. 3 is a vertical cross-sectional view of an example of the connection structure of the partition wall and the floor slab according to the embodiment.
The illustrated connecting structure 100 of the partition and the floor slab is formed by connecting the floor slab 20 and the floor slab beam 25 to the upper first partition 30 and the lower second partition 40, which are adjacent to the vertical hole region 10 and separate the upper room 13 and the lower room 15 above and below the floor slab 20, respectively.
The vertical hole area 10 in which the connection structure 100 can be used includes an elevator shaft, a stairwell, a duct shaft, a piping shaft, etc., and adjacent spaces adjacent thereto, i.e., an upper room 13 and a lower room 15 include an elevator hall, a passageway, a living room, a conference room, a management room, etc. The building in which the connection structure 100 can be used may be a steel structure building, an rc (reinforced concrete) building, a wooden building, a factory, a warehouse, a building, an apartment, a general independent house, or the like.
The floor slab 20 made of reinforced concrete is formed by field construction, and the side end face 21 of the vertical hole region has unevenness due to construction errors. The irregularities are present not only in the vertical direction of the drawing but also in the depth direction of the drawing sheet of fig. 3.
On the upper surface of the floor slab 20, a lower chute 31 formed of a steel material for construction to constitute an upper first partition wall 30 is disposed at a position where the floor slab 20 retreats (setback) to the upper room side by a width t3 from the vertical hole region side end face 21, and is fixed to the floor slab 20 by a fixing member 70 such as a screw or a bolt.
On the other hand, the runner receiving materials 37A and 37B are fixed by welding or the like to the upper and lower flanges 25a of the floor beam 25 on the side closer to the vertical hole region than the web 25B, and the upper and lower floor beam inner runners 35 made of an architectural steel base material are fixed by fixing members 70 such as screws or tapping screws to the runner receiving materials 37A and 37B in a posture in which both openings face each other. Further, a floor beam inner column 36 is disposed inside the upper and lower floor beam inner slide 35. The flanges 35a on the vertical hole region side of the upper and lower floor beam inner runners 35 are disposed at positions retreated by a width t3 from the vertical hole region side end surfaces 21 of the floor slabs 20 toward the lower floor room side, and are fixed to the upper and lower runner receiving members 37A, 37B by fixing members 70 such as screws or tapping screws. The flanges 35a on the vertical hole region side of the upper and lower floor beam inner slide 35 are disposed on the lower floor room side between the upper slide receiver 37A and the lower slide receiver 37B.
The chute receiving material 37C is fixed to the lower surface of the flange 25a below the floor beam 25 by welding or the like. An upper chute 33 made of a steel material for construction to constitute the lower second partition wall 40 is disposed on the chute receiving member 37C at a position of the floor slab 20 retreated from the vertical hole area side end face 21 toward the lower room side by a width t3, and is fixed to the chute receiving member 37C by a fixing member 70 such as a screw or a tapping screw.
In the first partition wall 30, a plurality of first columns 32 formed of a lip (lip) -equipped constructional steel base material are fitted between an upper runner (not shown) and a lower runner 31 at intervals (for example, intervals of 606mm or less, for example, 606mm or 455 mm) in the width direction of the wall (depth direction in fig. 3). Further, a second wall material 63 is installed on the indoor side of each first pillar 32.
On the other hand, in the second partition wall 40, a plurality of second upright posts 34 made of a steel base material for construction with lip portions are fitted between a lower runner (not shown) and an upper runner 33 at intervals (for example, intervals of 606mm or less, for example, 606mm or 455 mm) in the width direction of the wall (the depth direction in fig. 3). In addition, a third wall material 66 is also mounted to the indoor side of each second upright 34.
The first column 32, the second column 34, and the floor beam inner column 36 may be formed of square steel or the like other than the construction steel base material with a lip portion. As the steel base material for construction used for the first column 32, the second column 34, and the floor beam inner column 36, light-weight structural steel (JIS G3350), hot-dip galvanized steel sheet (JIS G3302), and the like can be used. Further, as the steel base material for construction, a steel base material for construction having a thickness of 0.4mm or more of 45 to 500 × 45 to 75 × 8 to 32 may be used, and as the shape and size of the square steel, a square steel having a thickness of 0.4mm or more of 45 to 500 × 40 to 350 may be used.
The steel for construction used for the lower chute 31, the upper chute 33, and the floor beam inner chute 35 may be light-weight steel for general structure (JIS G3350), hot-dip galvanized steel sheet (JIS G3302), or the like, and those having a thickness of 45 to 500 × 35 to 75 and a thickness of 0.4mm or more may be used.
Further, the first stud 32, the second stud 34, and the floor beam inner stud 36 are provided with a first wall material 50 extending from the first stud 32 to the second stud 34 across the end faces on the vertical hole region side.
The first wall member 50, the second wall member 63, and the third wall member 66 each have a laminated structure in which, for example, the spacer members 51, 61, and 64 and the finishing members 52, 62, and 65 are laminated in the wall thickness direction, and are fixed to the first column 32, the second column 34, and the floor beam inner column 36 by fixing members 70 such as screws and tapping screws. Here, the spacer materials 51, 61, 64 and the finishing materials 52, 62, 65 may be formed of gypsum board, or one of the spacer materials 51, 61, 64 and the finishing materials 52, 62, 65 may be formed of gypsum board and the other may be formed of calcium silicate board or the like. For the gypsum Board, for example, a gypsum Board having a thickness of 9.5mm to 25mm as defined in JIS A6901 can be used, and specifically, "Tiger Board (registered trademark) & Typez", manufactured by Giesella. Further, the cushion materials 51, 61, 64 and the finishing materials 52, 62, 65 are bonded to each other by an adhesive. As the adhesive, Vinyl acetate resin (Vinyl acetate resin) based adhesive, Acrylic resin (Acrylic resin) based adhesive, Urethane (Urethane) based adhesive, Epoxy resin (Epoxy resin) based adhesive, Silicone (Silicone) based adhesive, or the like can be used.
Although not shown, a through hole having a width of 10mm or less may be provided in either or both of the spacer material 51 and the finishing material 52 constituting the first wall material 50 at a position below the floor beam 25 of the first wall material 50. The through hole may be filled with a sealing material such as urethane, acrylic, or silicone. Although not shown, a floor finishing material may be applied on the floor 20, and the surfaces of the finishing materials 62 and 65 may be internally finished by wallpaper, paint, or the like, and the interior finishing surface may be exposed from the indoor side. Although not shown, the skirting line may be attached so as to extend across a floor finishing material and an interior finishing surface provided above the floor 20.
As shown in fig. 3, the first wall material 50 and the first stud 32 are fixed to each other via a first backing plate 80A having a thickness t2 by a fixing member 70 such as a screw, a tapping screw, or a staple. Further, the first wall material 50 and the second stud 34 are fixed to each other via the fixing member 70 via the second backing plate 80B of the same thickness t 2. The first wall material 50 and the floor beam inner post 36 are fixed to each other by the fixing member 70 via a third shim plate 80C having the same thickness t 2.
Here, the first backing plate 80A, the second backing plate 80B, and the third backing plate 80C may be formed of a gypsum board, a reinforced (strengthened) gypsum board, a non-combustible laminated gypsum board, a fiber-reinforced cement board, glass wool, rock wool, a glass fiber mat, a rock wool mat, or the like, and may have a thickness of about 25mm or less and a width of 40mm or more. Each of the first pad 80A, the second pad 80B, and the third pad 80C may be formed so that the overall thickness exceeds 25mm by stacking 2 or more pads.
When the installation line L1 for installing the first wall material 50 in the vertical hole area 10 is set as the start line, the first column 32, the second column 34, and the floor beam inner column 36 are respectively retracted toward the upper room side and the lower room side by the thickness t2 of the first shim plate 80A, the second shim plate 80B, and the third shim plate 80C. As a result, the lower chute 31, the upper chute 33, and (the flange 35a on the vertical hole region side of) the floor beam inner chute 35 are disposed at positions that are set back by the width t3 toward the upper room side and the lower room side from the vertical hole region side end surface 21 of the floor slab 20. Accordingly, even when the horizontal force H acts on the first partition wall 30 and the second partition wall 40 at the time of an earthquake as shown in fig. 2 and the pressing force P acts on the lower runner 31, the upper runner 33, and the like from the first column 32, the second column 34, and the like, the lower runner 31, the upper runner 33, and the like are not deformed. Therefore, damage of the connection structure 100 caused by deformation of the lower slide 31, the upper slide 33, and the like can be prevented.
Further, first, second, and third pads 80A, 80B, 80C are sandwiched between first stud 32, second stud 34, and floor beam inner stud 36 and first wall material 50. With this configuration, even when the reinforced concrete floor 20 to be constructed on site has irregularities on the vertical hole region side end face 21 due to construction errors, the first wall material 50 can be attached to the first column 32, the second column 34, and the floor beam inner column 36 with high accuracy.
In the connection structure 100, the gap formed between the vertical hole area side end face 21 of the floor slab 20 and the first wall material 50 may be filled with a refractory material 85 made of rock wool or the like. Further, the fire-resistant coating 28 may be formed around the floor beams 25 by spraying or the like. The refractory coating 28 may be formed of a laminate of heat-resistant rock wool and a flame-retardant nonwoven fabric formed into a felt shape, for example.
As described above, by providing the first partition wall 30 and the second partition wall 40 having fire resistance, providing the fire-resistant coating 28 around the floor beam 25, and filling the fire-resistant material 85 in the gap between the vertical hole area side end face 21 of the floor slab 20 and the first wall material 50, the connection structure 100 having excellent fire resistance can be formed.
Construction method of connection Structure between partition wall and floor slab of embodiment
Next, an example of a construction method of the connection structure of the partition wall and the floor slab according to the embodiment will be described with reference to fig. 4 and 5 and further with reference to fig. 3. Here, fig. 4, 5, and 3 are vertical sectional views sequentially explaining an example of a construction method of the connection structure of the partition wall and the floor slab according to the embodiment.
The construction method of the embodiment comprises a floor construction step, a slide track arrangement step, a column embedding step, and a partition wall forming step.
First, as shown in fig. 4, the floor slab 20 made of reinforced concrete is constructed on site so as to be supported by the floor beams 25 formed of H-shaped steel (floor slab construction step).
Then, the lower chute 31, which can receive the lower end of the first column 32 for forming the first partition wall 30, is fixed above the floor 20 by the fixing member 70. Next, the upper slide rail 33, which can receive the upper end of the second stud 34 for forming the second partition wall 40, is fixed by the fixing member 70 to the lower flange 25a of the floor beam 25 for supporting the floor 20.
The chute receiving members 37A, 37B are fixed to the upper and lower flanges 25a of the floor beam 25 on the side closer to the vertical hole region than the web 25B by welding or the like, and the upper and lower floor beam inner chutes 35 are fixed to the chute receiving members 37A, 37B by fixing members 70 in a posture in which both openings face each other. Next, the floor beam inner columns 36 are disposed inside the upper and lower floor beam inner slide channels 35.
Here, when the installation line L1 for installing the first wall material 50 in the vertical hole area 10 is taken as a start line, the lower chute 31, the upper chute 33, and the floor beam inner chute 35 are respectively installed at positions that are retreated from the start point Q on the installation line L1 toward the upper room side and the lower room side by the thickness t2 of the first pad 80A, the second pad 80B, and the third pad 80C (the above is the chute installation step). After the slide installation step is completed, the refractory coating 28 may be formed around the floor beam 25 by spray application or the like, and the refractory material 85 may be filled on one side of the end face 21 of the floor slab 20 in the vertical hole region.
Next, as shown in fig. 5, the lower end of the first pillar 32 is received and fitted into the lower chute 31. The upper end of the first column 32 is fitted into an upper chute, not shown. Then, the first shim plate 80A is mounted on the vertical hole area side of the first pillar 32.
In addition, the upper end of the second upright 34 is received and embedded in the upper slide 33. The lower end of the second column 34 is fitted into a not-shown lower chute. Thereafter, the second shim plate 80B is mounted on the vertical hole area side of the second pillar 34.
Next, the third shim plate 80C is placed on the side of the vertical hole area side of the stud 36 in the floor beam. Here, the first shim plate 80A, the second shim plate 80B, and the third shim plate 80C may be temporarily fixed to the first upright column 32, the second upright column 34, and the floor beam inner upright column 36 by an adhesive tape (including a double-sided adhesive tape), an adhesive, a self-tapping screw, or the like. The type of adhesive may be acrylic, polyamide, natural rubber, synthetic rubber, or the like, and an adhesive tape having a thickness of 3mm or less and a width of 100mm or less may be used.
It should be noted that the third backing plate 80C may be temporarily fixed to the floor beam inner post 36 in advance, or the setting of the third backing plate 80C may be completed simultaneously when the floor beam inner post 36 is set in the slide setting step (the above is the post fitting step).
Next, as shown in fig. 3, in the vertical hole region 10, the first wall material 50 extending from the first column 32 to the second column 34 across the first mat 80A is fixed to the first column 32 by the fixing member 70, fixed to the second column 34 by the fixing member 70 across the second mat 80B, and fixed to the floor beam inner column 36 by the fixing member 70 across the third mat 80C. By fixing these fixing members 70, the first shim plates 80A and the like temporarily fixed to the first columns 32 and the like can be firmly fixed to the first columns 32 and the like.
Next, the second wall material 63 for forming the upper room 13 is fixed to the first stud 32 by the fixing member 70, whereby the first partition wall 30 can be formed by the second wall material 63, the first stud 32, the lower and upper runners 31 and 31 (not shown), and the first wall material 50.
Further, by fixing the third wall material 66 for forming the lower room 15 to the second upright 34 by the fixing member 70, the second partition wall 40 can be formed by the third wall material 66, the second upright 34, the upper and lower runners 33, 33 (not shown), and the first wall material 50, and thus the construction of the connection structure 100 is completed (the above is the partition wall forming step).
According to the construction method of the embodiment, the lower chute 31, the upper chute 33, and the like can be provided at the position of the floor slab 20 that is retreated by a predetermined amount (predetermined distance) from the vertical hole region side end face 21 having the concavity and convexity to the upper floor room side and the lower floor room side. Accordingly, the construction of the connection structure 100 in which the first wall material 50 can be attached to the first column 32 or the like via the first shim plate 80A or the like with high accuracy can be efficiently performed while avoiding damage to the lower chute 31 or the like during an earthquake or the like.
The present disclosure may have other embodiments in which the configurations and the like listed in the above embodiments are combined with other components, and the present disclosure is not limited to these configurations described here. In this regard, it may be modified within a range not departing from the gist of the present disclosure, and may be determined as appropriate according to the application form thereof.
The international application claims priority from Japanese patent application No. 2020-.
[ description of reference numerals ]
10: area of vertical hole
13: upper room
15: lower room
20: floor slab
25: floor beam
28: fire-resistant coating
21: side end face of vertical hole area
30: first partition wall
31: lower slideway
32: first upright post
33: upper slideway
34: second upright post
35: inner slide way of floor beam
36: inner upright post of floor beam
37A: first slideway receiving material (slideway receiving material)
37B: second slideway receiving material (slideway receiving material)
37C: third slideway receiving material (slideway receiving material)
40: second partition wall
50: first wall material
51: gasket material
52: decorative material
60A, 63: second wall material
60B, 66: third wall material
61. 64: gasket material
62. 65: decorative material
70: fixing member
80A: first backing plate
80B: second backing plate
80C: third backing plate
85: refractory material
100: connection structure (connection structure) of partition wall and floor.
Claims (10)
1. A connecting structure of a partition wall and a floor slab, wherein,
a first partition wall for partitioning a vertical hole area and upper and lower rooms adjacent to the vertical hole area and located above and below the floor slab, and a second partition wall for partitioning the upper and lower rooms from the floor slab,
a lower slideway capable of accommodating the lower end of a first upright post for forming the first partition wall is arranged above the floor slab,
an upper slideway capable of containing the upper end of a second upright post for forming the second partition wall is arranged below the floor slab,
in the vertical hole area, a first wall material spanning from the first upright to the second upright is fixed to the first upright via a first backing plate and fixed to the second upright via a second backing plate,
the second wall material, the first stud, the glidepath, and the first wall material for forming the upper room form the first partition,
the third wall material, the second stud, the upper run, and the first wall material used to form the lower room form the second partition.
2. The connecting structure of partition walls and floor slabs according to claim 1,
the lower runner and the upper runner are retreated from the end surface on the vertical hole area side of the floor slab by a distance corresponding to the thickness of the first pad plate and the second pad plate to the upper room side and the lower room side, respectively.
3. The coupling structure of a partition wall and a floor slab as claimed in claim 1 or 2,
the lower chute is fixed to the floor slab by a fixing member,
the upper run is secured to a run receiving material by a securing member, the run receiving material being secured directly or indirectly to the floor.
4. The connecting structure of partition wall and floor slab as claimed in claim 3,
the floor slab is supported by the floor beams,
the slideway receiving material is fixed on the floor beam, and the upper slideway is fixed on the slideway receiving material.
5. A connecting structure of partition walls and floor slabs according to any one of claims 1 to 4,
and a refractory material is arranged between the end surface of the floor slab on the vertical hole area side and the first wall material.
6. A connecting structure of partition walls and floor slabs according to any one of claims 1 to 5,
any one of the first wall material, the second wall material, and the third wall material has a laminated structure in which a spacer material and a decorative material are laminated in a wall thickness direction.
7. A building having a connecting structure of the partition wall and the floor slab as claimed in any one of claims 1 to 6.
8. A construction method of a connection structure of a partition wall and a floor slab, wherein,
in the connecting structure of the partition wall and the floor, a first partition wall above and a second partition wall below for separating a vertical hole area and an upper room and a lower room which are adjacent to the vertical hole area and located above and below the floor are connected to the floor,
the construction method comprises the following steps: a slideway setting step, an upright column embedding step and a partition wall forming step,
in the step of arranging the slide way, the slide way is arranged,
a lower slideway capable of accommodating the lower end of a first upright post for forming the first partition wall is arranged above the floor slab, an upper slideway capable of accommodating the upper end of a second upright post for forming the second partition wall is arranged below the floor slab,
in the step of embedding the upright post, the upright post is embedded in the upright post,
after the lower end of the first upright column is accommodated and embedded in the lower slideway, a first base plate is installed on the side of the vertical hole area of the first upright column, after the upper end of the second upright column is accommodated and embedded in the upper slideway, a second base plate is installed on the side of the vertical hole area of the second upright column,
in the step of forming the partition walls, the partition walls are formed,
fixing a first wall material, which is extended from the first pillar to the second pillar across the first pillar in the area of the vertical hole, to the first pillar via the first tie plate, and to the second pillar via the second tie plate,
fixing a second wall material for forming the upper room to the first post, and forming the first partition wall from the second wall material, the first post, the glidepath, and the first wall material,
and fixing a third wall material for forming the lower room to the second upright, and forming the second partition wall by the third wall material, the second upright, the upper chute and the first wall material.
9. The construction method of a connecting structure of a partition wall and a floor slab as claimed in claim 8,
in the slide way setting step, the lower slide way and the upper slide way are respectively set on the floor slab in a way of retreating from the end surface of the vertical hole area side of the floor slab to the upper floor room side and the lower floor room side by a predetermined distance,
the predetermined distance is a length corresponding to a thickness of the first and second backing plates when a position where the first wall material is disposed is set in the partition wall forming step as a starting point.
10. The construction method of a connecting structure of a partition wall and a floor slab as claimed in claim 8 or 9, further comprising:
a floor construction step of constructing the floor supported by the floor beams,
wherein,
in the ramp setting step, the upper ramp is fixed to a ramp receiving material that has been fixed to the floor beam.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020-049538 | 2020-03-19 | ||
| JP2020049538 | 2020-03-19 | ||
| PCT/JP2020/037445 WO2021186770A1 (en) | 2020-03-19 | 2020-10-01 | Connection structure between partition wall and floor and construction method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114981508A true CN114981508A (en) | 2022-08-30 |
| CN114981508B CN114981508B (en) | 2024-03-08 |
Family
ID=77770762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080092325.0A Active CN114981508B (en) | 2020-03-19 | 2020-10-01 | Connection structure of partition wall and floor slab and construction method thereof |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20230085256A1 (en) |
| EP (1) | EP4098823A4 (en) |
| JP (1) | JP7465577B2 (en) |
| KR (1) | KR20220137122A (en) |
| CN (1) | CN114981508B (en) |
| AU (1) | AU2020436409B2 (en) |
| BR (1) | BR112022013661A2 (en) |
| CA (1) | CA3164279A1 (en) |
| MX (1) | MX2022011211A (en) |
| TW (1) | TWI837438B (en) |
| WO (1) | WO2021186770A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI823712B (en) * | 2022-12-12 | 2023-11-21 | 楊豐溢 | Steel-structure building envelope |
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| KR20220137122A (en) | 2022-10-11 |
| CN114981508B (en) | 2024-03-08 |
| EP4098823A1 (en) | 2022-12-07 |
| WO2021186770A1 (en) | 2021-09-23 |
| AU2020436409A1 (en) | 2022-08-04 |
| TWI837438B (en) | 2024-04-01 |
| MX2022011211A (en) | 2022-10-07 |
| US20230085256A1 (en) | 2023-03-16 |
| AU2020436409B2 (en) | 2023-11-23 |
| JP7465577B2 (en) | 2024-04-11 |
| BR112022013661A2 (en) | 2022-09-27 |
| EP4098823A4 (en) | 2024-01-31 |
| TW202136621A (en) | 2021-10-01 |
| CA3164279A1 (en) | 2021-09-23 |
| JPWO2021186770A1 (en) | 2021-09-23 |
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